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Vacuum Pump Operation and Maintenance Instructions

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Vacuum Pump Operation and Maintenance Instructions Vacuum Pump Operation and Maintenance Instructions Models 1947970-3 CFM 1948121-5 CFM 1948122-9 CFM TABLE OF CONTENTS Introduction ........................................................................................................3 Key Features ......................................................................................................4 Safety/Limited Warranty ...............................................................................5 Grounding Instructions ..................................................................................6 Quick Start Guide .............................................................................................7 Maintenance ......................................................................................................8 Pump Components ..........................................................................................9 Technical Specifications .............................................................................10 Operating Instructions ............................................................................ 11-12 Troubleshooting .............................................................................................13 Technical Drawing ..........................................................................................14 2 INTRODUCTION KEY FEATURES It is important to read the entire instruction manual carefully The hilmor Vacuum Pump has several field-inspired features to for a complete understanding of the hilmor Vacuum Pump make usage easier, including: features, limitations and specifications before use. hilmor EASY OIL CHANGE products are designed and manufactured to be used by trained and licensed technicians. Incorrect use may result • A sloped and channeled housing helps drain oil fast. in accidents, injuries or death. Refer to page 5 for • Easy access to a large oil fill port. safety precautions. • Quickly identify oil level and detect contamination through a large sight glass. The hilmor Vacuum Pumps come with a two-year limited DURABLE CONSTRUCTION AND LONG LIFE warranty. Visit hilmor.com/registration to register the • Automatic thermal overload protection to protect the pump. pumps and activate the warranty. • Intake filter helps prevent particulates from damaging the pump. • Gas ballast removes excess moisture and extends oil life. The serial number can be found on the motor plate. hilmor Vacuum Pumps are factory-tested to guarantee EXTRA CONFIDENCE 25 microns of ultimate vacuum. Please inspect the hilmor • A blank-off valve isolates the hilmor Vacuum Pump from the Vacuum Pump immediately for any in-transit damage. system for accurate vacuum readings and easy oil changes while maintaining vacuum. IMPORTANT: This hilmor Vacuum Pump has been drained of oil for shipment. HANDS-FREE CARRY Do not operate without adding hilmor Vacuum Pump Oil. • Two durable hoist points make transporting the hilmor Vacuum Pump easier. • Compatible with the hilmor HVAC/R Carrying Strap. 3 See hilmor.com for other languages. 301 Chestnut Street, East Longmeadow, MA 01028 + 1-800-628-8810 4 SAFETY/LIMITED GROUNDING WARRANTY INSTRUCTIONS SAFETY PRECAUTIONS: • The hilmor Vacuum Pump must be grounded. In the event of an electrical short circuit, grounding reduces the risk of electric shock by providing an To prevent personal injury, please read the operating manual carefully and escape wire for the electric current. The hilmor Vacuum Pump is equipped operate only as instructed by following the guidelines listed below. with a cord that has a grounding wire with an appropriate grounding plug. 1. Wear safety glasses, gloves and all other recommended safety gear when The plug must be plugged into an outlet that is properly installed and working with refrigerants. Contact with refrigerants may cause injury. Please grounded in accordance with all local codes and ordinances. see any warnings associated with refrigerants. • WARNING – Improper installation of the grounding plug may result in the 2. Confirm all associated devices are grounded correctly before energizing risk of electrical shock. When repair or replacement of the cord or plug is circuit to avoid electrical shock hazards. required, do not connect the grounding wire to either flat blade terminal. 3. Standard operation will cause certain parts of the pump to be hot. Avoid The wire with insulation and an outer surface that is green, with or without touching the pump housing or motor during operation. yellow stripes, is the grounding wire. 4. CAUTION: To reduce risk of electric shock or injury, use only in dry locations. • Check with a qualified electrician or serviceman when the grounding Store indoors. instructions are not completely understood, or when in doubt as to whether the product is properly grounded. Do not modify the provided plug; if it does LIMITED WARRANTY: not fit the outlet, have the proper outlet installed by a qualified electrician. • The hilmor Vacuum Pump has a two-year limited warranty from the purchase date. • Product must be registered at hilmor.com/registration to activate the warranty. • Warranty service claims are subject to authorized inspection for product defects. If registered products are found defective, hilmor will repair or replace them within the warranty period. • Often, a returned hilmor Vacuum Pump can be serviced with field maintenance, such as changing the oil or making minor adjustments found in the Troubleshooting section of this manual. If the problem persists, contact hilmor Technical Support at 1-800-628-8810 or visit the hilmor website, hilmor.com. 5 See hilmor.com for other languages. 301 Chestnut Street, East Longmeadow, MA 01028 + 1-800-628-8810 6 QUICK START GUIDE MAINTENANCE VACUUM PUMP OIL: Add hilmor Vacuum Pump Oil until it has reached between the Min • The condition and type of oil used in the hilmor Vacuum Pump are extremely and Max levels on the sight glass. important to achieve deep vacuum. For premium performance, use hilmor Vacuum Pump Oil, which is a low-vapor pressure oil that improves Plug hilmor Vacuum Pump into a power source. vacuum performance and cold weather start-up. • For best results, change the oil after every hilmor Vacuum Pump use. Connect hilmor Vacuum Pump to the system with evacuation hoses. Turn hilmor Vacuum Pump on. OIL CHANGE PROCEDURE: For best results, drain oil from the hilmor Vacuum Pump immediately after evacuation Open gas ballast, then close after pulling to approximately to ensure that the pump is still warm and contaminants are still suspended in the oil. 3,000 microns. 1. Turn hilmor Vacuum Pump off. Pull vacuum to desired vacuum level. 2. Remove the oil drain plug, drain the contaminated oil into a container and dispose of it properly. Tilt the hilmor Vacuum Pump forward slightly to remove Blank off system at manifold or hilmor Valve Core Removal Tool. the residual oil. Open unused inlet fitting and break vacuum; 3. Reattach the oil drain plug. Remove the oil fill cap, and fill the oil reservoir with turn hilmor Vacuum Pump off and close inlet fitting. new hilmor Vacuum Pump Oil until oil level has reached between the Min and Max markings on the sight glass. Remove evacuation hoses. 4. Replace the oil fill cap. IF OIL IS BADLY CONTAMINATED, FOLLOW THESE STEPS TO FLUSH: 1. Drain any oil in the hilmor Vacuum Pump, following the steps above. 2. Remove the oil reservoir for cleaning by removing the four screws that hold it to the hilmor Vacuum Pump. 3. Remove the oil reservoir and wipe with a clean rag. 4. Reassemble the reservoir by carefully placing the gasket into the groove, being careful not to pinch the gasket. 5. Replace all four screws by tightening to 106 in–lbs (12 n-m), and make sure the oil reservoir is tightly attached to the hilmor Vacuum Pump. 6. Refill with oil and check for leaks. 7. Let the hilmor Vacuum Pump run until it is warmed up. 8. Turn the hilmor Vacuum Pump off, then change the oil following the steps above. 7 See hilmor.com for other languages. 301 Chestnut Street, East Longmeadow, MA 01028 + 1-800-628-8810 8 PUMP COMPONENTS TECHNICAL Inlet Tree Fitting Hoist Points SPECIFICATIONS Part Number 1947970 1948121 1948122 Blank-off Valve Model 3 CFM 5 CFM 9 CFM Electrical Housing Ultimate Vacuum 25 microns 25 microns 25 microns Power Cord Motor 1/3 HP 1/2 HP 1 HP Oil Fill Port/Exhaust Voltage 120v 120v 120v Fan Cover Oil Housing Frequency 60Hz 60Hz 60Hz Amps 4.5 7.5 5.5 1720 3440 1720 Sight Glass RPM Intake Fitting 1/4", 3/8" 1/4", 3/8", 1/2" 1/4", 3/8", 1/2" Oil Capacity 11 oz. 11 oz. 15 oz. Motor Dimensions 13.6", 5.5", 10.7" 13.6", 5.5", 10.7" 15.9", 5.9", 11.2" Oil Drain Plug Net Weight 23 lbs. 24 lbs. 36 lbs. Base 9 See hilmor.com for other languages. 301 Chestnut Street, East Longmeadow, MA 01028 + 1-800-628-8810 10 • Use a large-diameter (3/8" or 1/2") evacuation hose. This allows for a faster flow rate. OPERATING • Use the shortest hose possible to achieve greater efficiency. Long hoses slow the vacuum process by creating a longer flow path. • Use hilmor Stainless Steel Evacuation Hoses for as many connections INSTRUCTIONS as possible. Permeation and outgassing from rubber hoses will slow down your vacuum. PRIOR TO OPERATION: • Connect a vacuum gauge to the side port on the hilmor Valve Core The hilmor Vacuum Pump motor is designed for 120 Removal Tool to measure vacuum. Placing the vacuum gauge close to the volts, plus or minus 10%. The single voltage motor is fully pump will give a less accurate pressure reading of the system. connected and ready for operation. SHUT-OFF:
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